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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Taxes [Line Items] |  |  |
Income tax expense (benefit) | $ (54,125) | $ 4,389 | $ 9,284
Income tax expense (benefit) at effective income tax rate | 33.80% | 13.40% | 13.80%
Foreign Tax Credit - Brazil | $ 900 | $ 3,900 | $ 7,000
Deferred Tax Assets, Tax Credit Carryforwards | 16,700 | 15,300 |
Operating Loss Carryforwards | 16,500 | 9,600 |
Deferred Tax Asset, Interest Carryforward | 2,600 |  |
Less: Valuation allowance | 15,078 | 13,807 |
Deferred Tax Assets, State Taxes | 2,200 | 2,800 | 2,500
State And Foreign Net Operating Loss Carryforwards |  |  |
Income Taxes [Line Items] |  |  |
Less: Valuation allowance | 12,900 | $ 10,300 | $ 9,400
Excess Capital Losses From Investments And Other Related Items |  |  |
Income Taxes [Line Items] |  |  |
Less: Valuation allowance | $ 700 |  |
Maximum |  |  |
Income Taxes [Line Items] |  |  |
Net Operating Loss Carrforward Expiration Period | 20 years |  |
Terphane Ltda [Member] |  |  |
Income Taxes [Line Items] |  |  |
Income tax rate | 6.25% |  |
Current effective tax rate | 15.25% |  |
Percentage of social contribution on income included in current effective tax rate | 9.00% |  |
Brazilian |  |  |
Income Taxes [Line Items] |  |  |
Federal statutory income tax rate | 34.00% |  |
Income tax rate | 25.00% |  |
Percentage of social contribution on income included in federal statutory income tax rate | 9.00% |  |

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